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WRF4812MT-3W Datasheet(PDF) 2 Page - MORNSUN Science& Technology Ltd. |
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WRF4812MT-3W Datasheet(HTML) 2 Page - MORNSUN Science& Technology Ltd. |
2 / 6 page The copyright and authority for the interpretation of the products are reserved by MORNSUN WRF_MT-3W 2013.06.26-A/1 Page 2 of 6 Models ON Ctrl open or be insulated Ctrl* Models OFF Connect high level voltage,and ensure the current into Ctrl to be 5-10mA Note: *Please refer to "DESIGN CONSIDERATIONS" as the direction for use of Ctrl . OUTPUT SPECIFICATIONS Item Test Conditions Min. Typ. Max. Unit Output Voltage Accuracy 5% to 100% load -- ±1 ±3 No-load Output Voltage Accuracy Input voltage range -- ±1.5 ±5 Line Regulation Full load, Input voltage from low to high -- ±0.2 ±0.5 Load Regulation 5% to 100% load -- ±0.2 ±0.8 % Transient Recovery Time -- 0.5 3 ms Transient Response Deviation 25% load step change -- ±2.5 ±5 % Temperature coefficient 100% load -- ±0.02 ±0.03 %/ °C Ripple* -- 30 45 Noise* 20MHz Bandwidth -- 45 100 mVp-p Output Short Circuit Protection Input voltage range Continuous, automatic recovery Note:* Ripple and noise tested with “parallel cable” method. See detailed operation instructions at DC-DC Application Notes. COMMON SPECIFICATIONS Item Test Conditions Min. Typ. Max. Unit Isolation Voltage Input-Output, Tested for 1 minute, leakage current less than 1 mA 3000 -- -- VDC Isolation Resistance Input-Output, Test at 500VDC 1000 -- -- M Ω Isolation Capacitance Input-Output,100KHz / 0.1V -- 35 45 pF Switching Frequency(PFM Mode) 100% load, Nominal Input voltage -- 250 -- KHz MTBF MIL-HDBK-217F@25℃ 1000 -- -- K hours Case Material Epoxy Resin (UL94-V0) Weight -- 4.8 -- g ENVIRONMENTAL SPECIFICATIONS Item Test Conditions Min. Typ. Max. Unit Storage Humidity Non condensing -- -- 95 % Operating Temperature Power derating (above85℃,see Figure 5) -40 -- 85 Storage Temperature -55 -- 125 Temp. rise at full load Ta=25 °C -- 25 -- Lead Temperature 1.5mm from case for 10 seconds -- -- 300 °C Cooling Free air convection EMC SPECIFICATIONS CE CISPR22/EN55022 CLASS B(Recommended Circuit Refer to Figure1-② or Figure 3) EMI RE CISPR22/EN55022 CLASS B(Recommended Circuit Refer to Figure1-② or Figure 3) ESD IEC/EN61000-4-2 Contact ±4KV/ Air ±8KV perf. Criteria B RS IEC/EN61000-4-3 10V/m perf. Criteria A IEC/EN61000-4-4 ±2KV (Recommended Circuit Refer to Figure1-①) perf. Criteria B EFT IEC/EN61000-4-4 ±4KV (Recommended Circuit Refer to Figure 3) perf. Criteria B Surge IEC/EN61000-4-5 ±2KV (Recommended Circuit Refer to Figure1-① or Figure 3) perf. Criteria B CS IEC/EN61000-4-6 3 Vr.m.s perf. Criteria A EMS Voltage dips, short and interruptions immunity IEC/EN61000-4-29 0%-70% perf. Criteria B |
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